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Electrical connection
Configuration D
7-14
PST 6101.321 / PSI 6101.321
If the external 24 V DC supply to PSI 6101.321 / PST 6101.321 cannot be provided by
one power supply unit for reasons of potential separation between the timer logic and the
I/O supply, the power supply has to be designed in accordance with configuration D. Sev-
eral jumpers have to be positioned to enable this configuration.
The power supply to the timer is thus independent of the welding network (external power
supply).
In configuration D, the external power supply unit [1] must satisfy the following require-
ments:
-
maximum ripple <5%, tolerance -15% / + 20%.
-
PSI 6101.321 / PST 6101.321
-
Making current: approx. 0.2 A, duration approx. 10 ms, plus the current of
the inputs and outputs (with PSI 6101.321 / PST 6101.321 only the output
current).
-
continuous current: approx. 0.1 A, plus the current of the inputs and outputs
(with PSI 6101.321 / PST 6101.321 only the output current).
In configuration D, the external power supply unit [2] must satisfy the following require-
ments:
-
maximum ripple <5%, tolerance -15% / + 20%.
-
PSI 6101.321
-
Making current: approx. 2.0 A, duration approx. 10 ms, plus the current of
the external unit connected to X5.
-
continuous current: approx. 1.5 A, plus the current of the external unit con-
nected to X5.
-
PST 6101.321
-
Making current: approx. 2.0 A, duration approx. 10 ms, plus the current of
the external unit connected to X5.
-
continuous current: approx. 1.5 A, plus the current of the external unit con-
nected to X5.
Functions:
-
When the welding network is switched off, no interfaces will be interrupted:
-
communication via the I/O interfaces is possible
-
communication between the timer and the programming terminal, e.g. pro-
gramming and visualization, is possible.
-
Preferably used with networked systems.
1070 080 056-101 (99.09) GB
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